Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11020891 | Device for producing plastic pipes | Gunther Hofmann | 2021-06-01 |
| 8727760 | Device for producing thermoplastic corrugated pipes | — | 2014-05-20 |
| 8043082 | Injection head for a corrugator for the production of plastics pipes | — | 2011-10-25 |
| 7452319 | Apparatus for producing double-walled composite tubes | — | 2008-11-18 |
| 7306448 | Mobile impression half-mould for a corrugator for making pipes with transverse ribs | Klaus Kaufmann | 2007-12-11 |
| 6748992 | Facility for manufacturing multilayered composite tubes | Frank Gerber | 2004-06-15 |
| 6641383 | Device for the production of tubes with transverse walls | Edwin Neuberth | 2003-11-04 |
| 6616437 | Device for continuously producing seamless plastic tubes | — | 2003-09-09 |
| 6309205 | Device for producing cross-finned pipes | — | 2001-10-30 |
| 6206670 | Process for the production if transversely ribbed tubes | — | 2001-03-27 |
| 5033870 | Linear guide | Manfred Binder | 1991-07-23 |